LayoutTests/ietestcenter/Javascript/TestCases/15.2.3.3-4-139.js

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ES5Harness.registerTest( {
id: "15.2.3.3-4-139",

path: "TestCases/chapter15/15.2/15.2.3/15.2.3.3/15.2.3.3-4-139.js",

description: "Object.getOwnPropertyDescriptor returns data desc for functions on built-ins (Date.prototype.setMonth)",

test: function testcase() {
  var desc = Object.getOwnPropertyDescriptor(Date.prototype, "setMonth");
  if (desc.value === Date.prototype.setMonth &&
      desc.writable === true &&
      desc.enumerable === false &&
      desc.configurable === true) {
    return true;
  }
 },

precondition: function prereq() {
  return fnExists(Object.getOwnPropertyDescriptor);
 }
});